fix：【infra 基础设施】LocalFileClient 读取不到文件（getContent）时，返回 null 而不是抛出异常 https://github.com/YunaiV/ruoyi-vue-pro/issues/929

yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/framework/file/core/client/local/LocalFileClient.java

@@ -1,6 +1,7 @@
 package cn.iocoder.yudao.module.infra.framework.file.core.client.local;
 
 import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.io.IORuntimeException;
 import cn.iocoder.yudao.module.infra.framework.file.core.client.AbstractFileClient;
 
 import java.io.File;
@@ -38,7 +39,14 @@ public class LocalFileClient extends AbstractFileClient<LocalFileClientConfig> {
     @Override
     public byte[] getContent(String path) {
         String filePath = getFilePath(path);
-        return FileUtil.readBytes(filePath);
+        try {
+            return FileUtil.readBytes(filePath);
+        } catch (IORuntimeException ex) {
+            if (ex.getMessage().startsWith("File not exist:")) {
+                return null;
+            }
+            throw ex;
+        }
     }
 
     private String getFilePath(String path) {

yudao-module-infra/src/test/java/cn/iocoder/yudao/module/infra/framework/file/core/local/LocalFileClientTest.java

@@ -7,6 +7,8 @@ import cn.iocoder.yudao.module.infra.framework.file.core.client.local.LocalFileC
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
+import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomString;
+
 public class LocalFileClientTest {
 
     @Test
@@ -26,4 +28,18 @@ public class LocalFileClientTest {
         client.delete(path);
     }
 
+    @Test
+    @Disabled
+    public void testGetContent_notFound() {
+        // 创建客户端
+        LocalFileClientConfig config = new LocalFileClientConfig();
+        config.setDomain("http://127.0.0.1:48080");
+        config.setBasePath("/Users/yunai/file_test");
+        LocalFileClient client = new LocalFileClient(0L, config);
+        client.init();
+        // 上传文件
+        byte[] content = client.getContent(randomString());
+        System.out.println();
+    }
+
 }